EP3012015A1 - Mischvorrichtung für ein pulverförmiges rohmaterial und ein flüssiges rohmaterial sowie verfahren zur herstellung einer mischung mit einer derartigen mischvorrichtung - Google Patents

Mischvorrichtung für ein pulverförmiges rohmaterial und ein flüssiges rohmaterial sowie verfahren zur herstellung einer mischung mit einer derartigen mischvorrichtung Download PDF

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Publication number
EP3012015A1
EP3012015A1 EP13887331.0A EP13887331A EP3012015A1 EP 3012015 A1 EP3012015 A1 EP 3012015A1 EP 13887331 A EP13887331 A EP 13887331A EP 3012015 A1 EP3012015 A1 EP 3012015A1
Authority
EP
European Patent Office
Prior art keywords
disk
raw material
outer edge
mixture
rotating disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13887331.0A
Other languages
English (en)
French (fr)
Other versions
EP3012015A4 (de
Inventor
Yoshihiro Tsuchimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tohkai-Giken Co Ltd
Original Assignee
Tohkai-Giken Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tohkai-Giken Co Ltd filed Critical Tohkai-Giken Co Ltd
Publication of EP3012015A1 publication Critical patent/EP3012015A1/de
Publication of EP3012015A4 publication Critical patent/EP3012015A4/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C1/00—Mixing or kneading machines for the preparation of dough
    • A21C1/02—Mixing or kneading machines for the preparation of dough with vertically-mounted tools; Machines for whipping or beating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/74—Spray-mixers, e.g. for mixing intersecting sheets of material with rotating parts, e.g. discs
    • B01F25/741—Spray-mixers, e.g. for mixing intersecting sheets of material with rotating parts, e.g. discs with a disc or a set of discs mounted on a shaft rotating about a vertical axis, on top of which the material to be thrown outwardly is fed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/14—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating dishes or pans

Definitions

  • the present invention relates to a technology for continuously mixing powder raw materials and liquid raw materials.
  • Gluten is a material having both viscoelasticity and adhesiveness, and is generated when protein, which accounts for 6-15% of flour (this varies with the variety), is hydrated. Kneading dough that contains hydrated gluten bonds gluten molecules to each other, thereby forming a huge three-dimensional net-like organization.
  • the quality of wheat food such as bread and noodles depends largely on a gluten organization.
  • gluten controls how the bread is raised in response to the action of yeast, and determines texture.
  • gluten is a main factor in what is called “koshi (sturdiness)” and “tsurumi (feeling of food or drink traveling down the throat)", and is also the most important factor in taste.
  • koshi sudiness
  • tsurumi feeling of food or drink traveling down the throat
  • An exemplary improved continuous mixer is a mixer described in patent document 2.
  • the mixer apparatus drops filmy water on a powder layer spread out on a rotating disk and agitates and mixes them.
  • Patent documents 3 and 4 are known as other prior arts.
  • the technology of patent document 3 relates to an apparatus that coats particulate matter such as plant seeds with a liquid such as oil or fat.
  • the apparatus of patent document 3 supplies particulate matter to the center of a rotating disk from above, spreads it out on the disk, and causes liquid to flow down to the disk or sprays liquid thereon, thereby achieving continuous coating.
  • the apparatus could possibly be used as an apparatus for mixing with liquid raw material by supplying powder raw material instead of particulate matter.
  • a powdery material is fed at a definite rate to the center of a disk, which is rotating at a moderate speed, to form a thin powder layer close to the periphery of the disk.
  • a sprayer rotating at high speed is provided on the same axis as the rotating disk and a liquid material, which is fed at a definite rate, is continuously sprayed and radiated thereby.
  • the liquid material is sprayed at a high speed from behind onto the powder layer flow having been spread on the rotating disk.
  • a homogeneous and instantaneous bond is continuously formed at the micro level between these materials so that a homogeneous mixture of the powdery material with the liquid material can be continuously obtained.
  • the water addition method of patent document 2 achieves more efficient agitation because this method achieves superior equalities to those of the water addition method of patent document 1.
  • the method produces dough with unequal water content, i.e., dough in a so-called soboro state, and noodles or bread cannot be made directly from the dough. Water diffusion from a portion with excess water does not progress in a simple aging process, and a kneader-based process still needs to be performed. That is, the dough quality is deteriorated due to an agitation effect provided by a kneader.
  • Dough is kneaded by hand to achieve high quality, and this requires skill and effort. Aging-based water diffusion requires a refrigerator for suppressing abnormal fermentation. In making bread, it is again difficult to achieve a balance between quality and cost.
  • powder typically includes fine particles and the behavior of an aggregation of the particles is thus extensively controlled by friction, and, unlike in the case of a liquid, a layer thickness is not autonomously leveled. This results in large variations in the mixing ratio in a mixture and thus makes the quality of the mixture imperfect.
  • a liquid raw material flows down to or is sprayed onto a particulate-matter raw material spread out on a disk, in a manner such that the liquid raw material comes into contact with and is mixed with the particulate matter raw material.
  • a method wherein a liquid raw material flows down to and comes in contact with a particulate-matter raw material is similar to the method of patent document 1, and the mixing becomes uneven for the same reason as described above.
  • the apparatus of patent document 4 continuously sprays and radiates a liquid raw material fed at a definite rate and sprays the liquid material at a high speed from behind onto a powder layer flow spread on a rotating disk, but, in practice, a homogeneous and instantaneous bond was not continuously formed at a micro level between these materials.
  • powder could not be evenly spread, and liquid was sprayed onto only the surface of the powder, i.e., water did not reach the inside, and, moreover, wasteful scatter of powder was unable to be resolved.
  • the present invention provides a mixing apparatus that evenly mixes a powder material and a liquid material.
  • a mixing apparatus in accordance with the present invention includes a first disk, a second disk, a third disk, a fourth disk, and a fifth disk.
  • the first disk rotates on a vertical axis and radiates a powder raw material supplied from the vertical axis direction in an outer edge direction.
  • the second disk is a stationary disk separated from the top surface of the first disk by a predetermined distance.
  • the second disk is provided in a manner such that the powder raw material radiated on the first disk is leveled in passing through a first gap formed by separating the second disk by the predetermined distance.
  • the third disk covers the second disk, rotates on the same axis as the first disk, and includes an atomizing head that atomizes and radiates in an outer edge direction a liquid raw material supplied while the third disk is rotating.
  • the fourth disk has a shorter diameter than that of the third disk, is fixed to the third disk and separated from the under surface of the third disk by a predetermined distance, and rotates on the same axis as, and in an integrated manner with, the third disk.
  • the fourth disk includes, at an outermost portion, a horizontal top surface and an under surface inclined upward toward an outer edge. The fourth disk is provided in a manner such that the atomized liquid material passes through a second gap formed between the top surface of the fourth disk and the under surface of the third disk.
  • the fifth disk is provided below the fourth disk, is separated from the under surface of the fourth disk by a predetermined distance, rotates on the same axis as, and in an integrated manner with, the first disk, and has a diameter that is longer than that of the fourth disk.
  • the fifth disk is provided in a manner such that the powder raw material leveled by the second disk passes through a third gap formed between the top surface of the fifth disk and the under surface of the fourth disk.
  • the fourth gap is provided in a manner such that the under surface on the outer edge side of the third disk and the top surface on the outer edge side of the fifth disk face and fit each other in such a manner as to sandwich the fourth disk from the top surface direction and under surface direction of the fourth disk.
  • the fourth gap is formed between the outer edge of the fourth disk, the under surface on the outer edge side of the third disk, and the top surface on the outer edge side of the fifth disk.
  • a mixture of the liquid raw material radiated from the second gap and the powder raw material radiated from the third gap is deposited on a portion where the third disk and the fifth disk face and fit each other.
  • the third disk is pushed up, or the fifth disk is pushed down, to radiate the mixture in circumference directions of the third and fifth disks.
  • the mixing apparatus further includes a toric member and a collecting unit.
  • the toric member is a member shaped like a torus having an inside diameter in which the third and fifth disks are located, and deposits the mixture radiated from the outer edges of the third and fifth disks on a side face of the inside diameter.
  • the collecting unit strips off the mixture deposited on the side face of the inside diameter of the toric member.
  • a portion of the fifth disk below the first gap is supported by an elastic member having elasticity in a vertical direction. Magnets are implanted in the third and fifth disks such that these disks face and fit each other.
  • the mixing apparatus in accordance with the invention includes a first disk, a second disk, a third disk, a fourth disk, and a fifth disk.
  • the first disk rotates on a vertical axis and radiates a powder raw material supplied from the vertical axis direction in an outer edge direction.
  • the second disk is a stationary disk separated from the top surface of the first disk by a predetermined distance.
  • the third disk covers the second disk and rotates on the same axis as the first disk.
  • the third disk includes an atomizing head that atomizes and radiates a liquid raw material supplied while rotating in an outer edge direction.
  • the fourth disk has a shorter diameter than that of the third disk and is fixed to the third disk and separated from the under surface of the third disk by a predetermined distance.
  • the fourth disk rotates on the same axis as, and in an integrated manner with, the third disk.
  • the fourth disk includes, at an outermost portion, a horizontal top surface and an under surface inclined upward toward an outer edge.
  • the fifth disk is provided below the fourth disk and is separated from the under surface of the fourth disk by a predetermined distance.
  • the fifth disk rotates on the same axis as, and in an integrated manner with, the first disk.
  • the fifth disk has a diameter that is longer than that of the fourth disk.
  • the powder raw material radiated on the first disk passes through, and is leveled by, a first gap formed between the first and second disks.
  • the atomized liquid material passes through a second gap formed between the top surface of the fourth disk and the under surface of the third disk.
  • the powder material leveled by the second disk passes through a third gap formed between the top surface of the fifth disk and the under surface of the fourth disk.
  • the liquid raw material radiated from the second gap is bound to the powder raw material radiated from the third gap.
  • the fourth gap is formed between the outer edge of the fourth disk, the under surface on the outer edge side of the third disk, and the top surface on the outer edge side of the fifth disk in a condition in which the under surface on the outer edge side of the third disk and the top surface on the outer edge side of the fifth disk face and fit each other in such a manner as to sandwich the fourth disk from the top surface direction and under surface direction of the fourth disk.
  • the mixture of the liquid raw material and the powder raw material is deposited on a portion where the third disk and the fifth disk face and fit each other. In accordance with the amount of the deposited mixture and a centrifugal force applied to the mixture, the third disk is pushed up, or the fifth disk is pushed down. Consequently, the mixture is radiated in circumference directions of the third and fifth disks.
  • the present invention allows a powder material and a liquid material to be evenly mixed with each other.
  • a direction on a horizontal plane will hereinafter be referred to as an X direction
  • a direction on the horizontal plane that is orthogonal to the X direction will hereinafter be referred to as a Y direction.
  • FIG. 1 is a cross-sectional view of a mixing apparatus as seen from the X direction in accordance with the invention.
  • FIG. 2 is a cross-sectional view of a mixing apparatus as seen from the Y direction in accordance with the invention.
  • FIG. 3 is a cross-sectional view of a main portion of a mixing apparatus as seen from the X direction in accordance with the invention.
  • FIG. 4 is a cross-sectional view taken on line A-A of FIG. 1 .
  • the mixing apparatus comprises mainly of an apparatus for supplying a powder raw material at a constant rate (not illustrated, and hereinafter referred to as a "powder-raw-material constant rate supplying apparatus"), a rotating disk 1, a rotating disk 1', a stationary disk 2, a rotating disk 3, a rotating disk 4, a rotating disk 5, a toric member 11, a guide 21, a funnel 101, a hollow shaft 102, a housing 103, a pipe 105, a small magnet 107, a small magnet 107', a rotation shaft 108, a housing 110, a motor 111, a large pulley 112, a belt 113, a small pulley 114, a reduction-gear-equipped motor 115, gears 116 and 117, cam followers 118 and 119, a scraper 120, a support 121, a cover 122, a middle base plate 123, and an upper base plate 124.
  • a powder raw material at a constant rate not illustrated, and hereinafter
  • a mixing apparatus in accordance with an embodiment instantly completely mixes a powder raw material and a liquid raw material. This may prevent a mechanical effect from being applied to and damaging a mixture in a mixing process.
  • applying the mixing apparatus to the mixing of wheat flour and water can add water equally to all protein within the wheat flour and may prevent net-like organizations of gluten from being destroyed, thereby improving qualities.
  • the process is simplified and shortened and thus provides an advantage in decreasing the cost of fabrication. This means that the embodiment provides an ideal mixing method.
  • a mixing apparatus capable of continuously mixing a powder material and a liquid material in accordance with the invention supplies a powder material to the center of the rotating disk 1 at a constant rate in such a manner as to rotate and spread out the powder material in a direction with a longer diameter.
  • the mixing apparatus causes the powder raw material to pass through a gap between the rotating disk 1 and the stationary disk 2, i.e., a stationary disk located above the rotating disk 1, so as to level a layer thickness, and then drops the powder raw material on the rotating disk 5, which is located below the rotating disk 1 and has a longer diameter than that of the rotating disk 1.
  • the rotating disk 3 i.e., a bell-shape rotating disk that rotates on the same axis as, and at the same rate as, the rotating disk 1, covers the stationary disk 2.
  • the film thickness of a flow of a supplied liquid raw material is made to be even at a position close to the center of the rotating disk 3.
  • the flow of the liquid material with an even thickness is guided to a sprayer head 7, which atomizes and radiates the flow in a horizontal direction.
  • the rotating disk 4, which has a periphery with an acute-angled edge, is fixed below the rotating disk 3.
  • the rotating disk 4 has, at a portion with a longer diameter than that of the sprayer head 7, a horizontal gap space between the rotating disk 4 and the under surface of the rotating disk 3, and has an inclined gap space (gap portion 8) between the rotating disk 4 and the rotating disk 5.
  • a space 36 i.e., a flat and horizontal space in an upper space
  • particulate droplet swarms of the liquid raw material radiated equally in all directions fly at a high speed in a horizontal direction.
  • the powder raw material is spread out while floating in a lower gap space.
  • the liquid raw material and the powder raw material are merged and mixed with each other within a tapered wedge-shaped space located outside the periphery of the rotating disk 4.
  • the mixture is released from an open end 10, which is located at a tip of the wedge-shaped space.
  • the released mixture is deposited on an inner concave surface 12 of the toric member 11, i.e., a toric member provided outside.
  • the mixture deposited on the inner concave surface 12 may be collected and obtained.
  • the rotating disk 5 has high elasticity in a vertical direction. A portion of the rotating disk 5 at a smallest gap portion 14, which is close to the periphery, is in contact with the rotating disk 3 with a predetermined suitable contact force.
  • the mixing starts, the particulate droplets and dispersed particles of the powder raw material are accumulated at the contact point in the smallest gap portion 14. Condensation starts at the contact point. A generated condensate changes into a minute bound substance because of a large centrifugal acceleration, thereby applying a wedge effect to upper and lower walls.
  • the wedge effect increases with an increase in a condensation region C and ultimately exceeds the contact force, and this immediately pushes down the elastically supported rotating disk 5, with the result that the accumulation is resolved and the mixture is radiated from the open end 10.
  • Excessively pushing down the rotating disk 5 decreases the condensation region C, thereby decreasing the force to push down the rotating disk 5, and this decreases a radiant quantity.
  • the condensation region C is automatically adjusted and settles in a steady state. Consequently, the mixing and the radiation of the bound substance are stabilized in a favorable state.
  • the toric member 11 i.e., a member that has the inner concave surface 12, rotates on the same axis as, for example, the rotating disk 1. Accordingly, providing a relatively fixed scraper 120 at a predetermined portion of the toric member 11 allows a mixture deposited on the toric member 11 to be continuously extracted.
  • Supplying a powder raw material containing wheat flour and a liquid raw material containing water to the mixing apparatus in accordance with the invention allows a high-quality food containing wheat flour as a main material to be fabricated at low cost.
  • the mixing apparatus in accordance with the invention so as to make a food containing wheat flour as a main material and having an oil and fat raw material added thereto, the oil and fat raw material is emulsified and put in water in advance. This makes the quality of the food high at low cost.
  • the rotating disks 1 and 1', an elastic member 13, and the rotating disk 5 are fixed in a manner such that these elements can rotate on the same axis, i.e., rotate in an integrated manner.
  • the rotating disks 1 and 1', the elastic member 13, and the rotating disk 5 are integrated into a structure A.
  • the rotating disks 3 and 4, a horizontal member 22, and the hollow shaft 102 are fixed in a manner such that these elements can rotate on the same axis, i.e., rotate in an integrated manner.
  • the rotating disks 3 and 4, the horizontal member 22, and the hollow shaft 102 are integrated into a structure B.
  • the structures A and B are fixed by the small magnets 107 and 107' and, accordingly, rotate on the same axis at the same rotational speed.
  • the powder-raw-material constant rate supplying apparatus supplies a powder raw material at a constant rate.
  • the housing 110 houses bearings 109 and 109'.
  • the rotating disk 1 is fixed to the rotation shaft 108, which is supported by the bearings 109 and 109', and can be rotated at a high speed by the motor 111, the large pulley 112, the belt 113, and the small pulley 114.
  • FIG. 5 is a perspective view (conceptual diagram) of the rotating disk 1.
  • a circular-saw-shaped aggregate crusher plate 18 is provided at a flange of the rotating disk 1.
  • the rotating disk 1 is supported by the rotating disk 1', i.e., a disk integrated with the rotating disk 1.
  • FIG. 6 is a perspective view (conceptual diagram) of the stationary disk 2.
  • the stationary disk 2 is a disk that remains at rest and has, on a top surface thereof, an opening for connection to a bottom end of the funnel 101.
  • a ceiling 32 is provided on a side surface of the stationary disk 2, and a flange is provided at the lower end.
  • the stationary disk 2 has a hollow structure and is located so as to cover the rotating disk 1.
  • the ceiling 32 is provided to eliminate the likelihood of a powder raw material within a space outside a gap part 20 entering a space on the inside of a slope 25 and being mixed with a liquid raw material.
  • FIG. 7 is a perspective view (conceptual diagram) of the rotating disk 3.
  • the horizontal member 22 is positioned lower than the upper end of the rotating disk 3.
  • Holes 24 are arranged along the periphery of the horizontal member.
  • Grooves 40 that mate with a ceiling 31 are on an inside diameter side surface between the upper end of the rotating disk 3 and the horizontal member 22.
  • a two-tiered flange is provided at a lower portion of the rotating disk 3.
  • the rotating disk 3 has a hollow structure such that the stationary disk 2 can be covered.
  • An under surface of the two-tiered flange has a step-wise shape, and the rotating disk 4 is fixed to the steps.
  • FIG. 8 is a perspective view (conceptual diagram) of the rotating disk 4.
  • the rotating disk 4 has a ring structure, and the stationary disk 2 can pass through a space surrounded by an inside diameter.
  • Grooves 33 are provided on the side surface of the inside diameter of the rotating disk 4, wherein the grooves 33 mate with the ceiling 32 of the stationary disk 2 when the stationary disk 2 has passed through an opening of the rotating disk 4.
  • a plurality of parting strips 34 are arranged on the top surface of the rotating disk 4 at equal intervals in a radial direction.
  • the parting strip 34 has formed thereon a hole 34a through which a screw passes. A screw is made to pass through the hole 34a so as to fix the rotating disk 4 to the steps of the under surface of the rotating disk 3.
  • a groove 26 is a region sandwiched between parting strips 34.
  • a flange is provided at a lower end of the rotating disk 4. The portion of the flange of the rotating disk 4 extending from an inside diameter toward an outside diameter and terminating at a predetermined position (inner portion) has a uniform thickness. A portion extending from the predetermined position to an edge (outer portion) is inclined and becomes thinner toward the edge.
  • FIG. 9 is a perspective view (conceptual diagram) of the rotating disk 5.
  • An opening through which the rotating disk 1' passes is provided at a central portion of the top surface of the rotating disk 5.
  • a portion of the top surface of the rotating disk 5 extending from the central portion toward a periphery and terminating at a predetermined position (inner portion) is horizontal, and a portion extending from the predetermined position to an edge (outer portion) is inclined.
  • a powder raw material P is pushed out of a powder-raw-material constant rate supplying apparatus (not illustrated) and falls through the funnel 101 to a position close to the center of the rotating disk 1.
  • the powder raw material P falls onto the central portion of the rotating disk 1, i.e., a disk rotating at a high speed, starts rotating, and is accelerated in a radial direction by a generated centrifugal force.
  • a portion of a layer of the powder raw material P further in a radial direction becomes thinner, and the layer of the powder raw material P spreads out in an outer direction, simultaneously making a curve, while gradually increasing in rotational speed and radial-direction speed.
  • the powder raw material While the speedup caused by the spreading is decreasing the thickness of the powder raw material layer, the powder raw material enters the gap portion 6 below the stationary disk 2, i.e., a disk attached to the bottom end of the funnel 101.
  • FIG. 10 is an enlarged view of an area close to the gap portion 6.
  • a flat surface 2a extends from the center to a predetermined position from which a slant 2b extends. Both the slant and the flat surface 2a extend to the predetermined position from where a flat surface 2c extends.
  • the gap portion 6 is a gap between the top surface of the rotating disk 1 and a flat surface 2c of the stationary disk 2.
  • the height of the gap portion 6 is greater than a maximum particle size of the powder raw material.
  • the stationary disk 2 applies a leveling effect to the powder raw material layer, but the rotating disk 1 continues to apply a turning force to the powder raw material layer. Hence, the flow toward a portion with a larger diameter continues. Ultimately, the powder raw material P is released from the gap portion 6 almost equally in all directions.
  • the powder raw material After moving along a curved inside surface 16 of the stationary disk 2, the powder raw material floats within a space 17 and then falls onto a tooth of the circular-saw-shaped aggregate crusher plate 18. A certain amount of powder raw material is stored in the space 17, thereby providing a function to level the powder raw material when there is a small variation in the supply thereof.
  • the aggregate crusher plate 18 which has a gear-teeth planar shape as depicted in FIG. 5 , is fixed to the rotating disk 1 and rotates at a high speed.
  • the powder raw material P which has floated down to the aggregate crusher plate 18, is hit by a vertical surface of the gear teeth, then runs into a vertical wall 19 of the stationary disk 2, and finally falls onto the rotating disk 5.
  • the two impacts disintegrate the aggregate that has passed through the gap portion 6, and the powder raw material P falls onto the rotating disk 5 in a free state.
  • the rotating disk 5 is attached to the rotating disk 1', i.e., a rotating disk integrated with the rotating disk 1, via the elastic member 13.
  • Spring tension of the elastic member 13 applies an upward force to the rotating disk 5 and thus presses the rotating disk 5 against the rotating disk 3.
  • the powder raw material is again subject to a leveling effect while passing through the gap part 20, i.e., a gap formed between the flange of the stationary disk 2 and the rotating disk 5, forms a flow that is more equal in all directions than that formed at the exit of the gap portion 6, and flows into the gap portion 8.
  • the gap portion 8 is a gap between an inclined surface of the under surfaces of the flange of the rotating disk 4 and an inclined surface of the top surfaces of the rotating disk 5.
  • the height of the gap portion 8 is greater than the maximum particle size of the powder raw material.
  • the height of the gap part 20 is greater than the maximum particle size of the powder raw material.
  • the pipe 105 depicted in FIGS. 1 and 2 is a pipe through which a liquid raw material L flows down that is supplied from an apparatus located at an upper position for supplying the liquid raw material at a constant rate (not illustrated).
  • the pipe 105 is inserted into a flow channel hole 106 of the guide 21 fixed to the bottom end surface of the housing 103.
  • a plurality of pipes 105 may be provided to simultaneously supply a plurality of liquid raw materials.
  • the guide 21 is preferably provided with the ceiling 31 to prevent external leakage of splashes of the liquid raw material L.
  • the hollow shaft 102 is supported by bearings 104 and 104' inserted into the housing 103 and is rotatable on the same axis as the rotation shaft 108.
  • a plurality of small high-powered magnets 107 are implanted at positions close to an outermost portion of the rotating disk 3, i.e., a rotating disk attached to the bottom end of the hollow shaft 102.
  • the small magnets 107 implanted in the rotating disk 3 and small magnets 107' implanted at equivalent positions on the rotating disk 5 attract each other.
  • the attractive force between the small magnets 107 and 107' assists a contact force generated by the elastic member 13.
  • the liquid raw material L poured onto the top surface of the horizontal member 22 of the rotating disk 3 immediately starts rotating at a high speed, and accordingly the liquid raw material L is also accelerated in a radial direction and is stored in a liquid reservoir 23 provided at the rotating disk 3.
  • the rotational speed of the liquid raw material L becomes equal to that of the rotating disk 3. Due to a strong centrifugal force caused by the high speed rotation of the rotating disk 3, the surface of the liquid within the liquid reservoir 23 is essentially vertically inclined.
  • a plurality of holes 24 are provided on a portion of the horizontal member 22 that is close to the liquid reservoir 23, and the liquid raw material tends to flow in a direction with a large diameter because of a strong centrifugal force. Accordingly, before the liquid reservoir 23 is filled with the liquid raw material L, the liquid raw material L flows at a position distant from a rotation shaft within an inner portion of the hole 24 and then reaches a lower side of the horizontal member 22. Then, the liquid raw material L flows to the slope 25, passes through the groove 26 provided on the top surface of the rotating disk 4 as depicted in FIG. 8 , and flows to the minute gap 27, i.e., a vertical gap.
  • FIG. 11 is an enlarged view of an area close to the minute gap 27.
  • the minute gap 27 is remarkably narrow, and hence, initially, not all liquid raw material L can pass through the minute gap 27, thereby making a puddle 29a within a groove 29, as depicted in FIG. 11 . Accordingly, an extremely strong centrifugal force applied to the liquid raw material L increases a pressure at a position close to a vertical wall 28 of the liquid raw material in proportion to the amount of the puddle. The quantity of the flow through the minute gap 27 is eventually balanced with the quantity of inflow from the slope 25. Subsequently, the liquid raw material flows into the groove 29 and temporarily stays therein.
  • the quantity of inflow at that moment is unequal because the flow has just passed through the groove 26, but the distance from the surface of the liquid within the groove 29 to the rotation center of the rotating disk 3 is equal because of a strong centrifugal force.
  • the radius of a vertical wall 30 located at a lower position is slightly greater than the vertical wall 28, and the distance from the rotation center is equal for the entire perimeter. Consequently, an equal quantity of liquid raw material L having an equal thickness overflows the groove 29 in absolutely all directions.
  • the liquid raw material L that has overflown the groove 29 flows along the vertical wall 30 while maintaining a thin-film-like shape, and reaches the sprayer head 7 after passing by a curved surface.
  • the liquid film loses support at the sprayer head 7 and is disintegrated into innumerable particulate droplets just after leaving the sprayer head 7.
  • the particle size of the particulate droplets is preferably equal to or less than the particle size of the powder raw material.
  • a main factor of the size is a physical property of the liquid raw material. However, conditions for the physical property cannot be optionally changed. Accordingly, the size may be adjusted by adjusting a radius position of the sprayer head 7, the rotational speed of the rotating disk 3, or the supply of the liquid raw material.
  • the particulate droplets achieve an equal space density in all directions as an inevitable result of the fact that the liquid raw material L that has overflown the groove 29 has no deflection.
  • a space 9 with a wedge-shaped cross section is provided ahead of the sprayer head 7. Accordingly, particulate droplets of the liquid raw material L and dispersed particle swarms of wheat simultaneously flow into the space 9.
  • FIG. 12 is an enlarged view of a cross section of the rotating disks 3, 4, and 5 depicted in FIG. 3 .
  • the particulate droplets that have left the sprayer head 7 fly within the flat space 36 sandwiched between the top surface of the rotating disk 4 and the under surface of the rotating disk 3. Air within the flat space 36 rotates at a rotational speed comparable to that of the rotating disks 3 and 4, and hence a generated centrifugal force generates a suction effect similar to a suction effect that would be generated by a centrifugal fan.
  • a liquid reservoir 35 described above with reference to FIG. 11 has a sort of water sealing function, thereby eliminating the possibility of generation of an airflow from the space in which the powder raw material P is spread out to the flat space 36, and hence walls surrounding the spaces are kept to be clean.
  • FIG. 12 depicts a situation in which a liquid raw material that has spread out on an inside surface of the rotating disk 3 in a thin film state changes into innumerable droplets and flies and flows into the space 9, a situation in which particles of a powder raw material that has spread out in the gap portion 8 flow into the space 9, and a situation in which these materials are mixed and released.
  • Air within the gap portion 8 is in contact with fast-rotating upper and lower walls and thus rotates at a high speed, thereby applying a force to powder-raw-material particles in a circumference direction.
  • the powder-raw-material particles are accelerated in a radial direction simultaneously with starting to move in the circumference direction, spread out and float within the gap portion 8 while shaping dispersed particle swarms, and flow into the space 9 with a wedge-shaped cross section.
  • the acceleration of the powder material within the gap portion 8 is weak because the one is through air, and hence the material flows into the space 9 at a speed that is far lower than the circumferential speed of the upper and lower walls.
  • the direction of an initial velocity of droplets is essentially a tangential direction of the sprayer head 7 forming a circumference, and the speed of the droplets is essentially equal to the circumferential speed of the sprayer head 7.
  • Radiated droplets show an essentially-linear uniform motion in a horizontal plane and thus move at a very high speed in a radial direction at an inlet of the space 9, which is distant from the sprayer head 7.
  • An estimation of a space density of a dispersed particle swarm of the powder raw material P within the space 9 indicates a substantially high density due to a low flying speed of the particles. Consequently, droplets flying fast and flowing into the space 9 frequently collide with powder particles. The collision strongly agitates the dispersed particle swarm within the space 9 and eliminates unevenness in the space density of the dispersed particle swarm. Making the space density of the dispersed particle swarm equal results in a homogeneous mixture, thereby indicating that the agitation resulting from the collision is an important phenomenon.
  • FIGS. 13 and 14 depict phenomena seen in the space 9.
  • FIG. 13 illustrates a transient state achieved just after inflow of powder raw material particles and droplets starts.
  • the rotating disk 5 and the rotating disk 3 are still in contact with each other at the smallest gap portion 14.
  • the dispersed particle swarm of the powder raw material P that has flown into the space 9 is blocked and accumulated in the smallest gap portion 14, thereby forming an accumulation layer.
  • Particle swarms of the powder raw material P and liquid raw material L crash into an inner surface of the accumulation layer at different vectors one after another.
  • a dispersed particle swarm of a low-speed high-density powder raw material softly falls onto the accumulation layer.
  • a droplet swarm of the liquid raw material crashes into dispersed particles of the fallen powder raw material at a high speed, resulting in intense mixing, and condensation occurs in response to a high centrifugal acceleration. This forms a high-density condensation region C.
  • FIG. 14 illustrates a state achieved at a time when inflow and mixing of powder raw material particles and droplets are stabilized.
  • FIG. 14 depicts a situation in which inflow and outflow of a mixture at the smallest gap portion 14 are balanced.
  • an excessively large or excessively small condensation region C is undesirable. With an excessively small condensation region C, it is highly likely that the condensation region C will be partly lost at a portion of the space 9.
  • the size of the condensation region C depends on various factors. In addition to forces generated by the elastic member 13 and the high-powered magnets 107 and 107', such factors include, for example, fluidity and adhesiveness of the mixture, the rotational speed and size of the rotating disks 3-5, and the weight of the rotating disk 5.
  • the size of the condensation region C is optimally adjusted by increasing or decreasing changeable values from among such factors.
  • the mixture that has flown out of the open end 10 is initially shaped like a film but is strongly stretched out by a centrifugal force as soon as the mixture leaves the open end 10. Then, the mixture is released in a tangential direction of the periphery of the rotating disks 3 and 5 approximately at a circumferential speed while being disintegrated into particles.
  • the particles of the mixture at that time are connected to each other by the liquid raw material, and the particle size thereof is far larger than that of the powder raw material particles.
  • the mixture does not adhere to the inner concave surface 12.
  • the toric member 11 since the toric member 11 is rotating as will be described hereinafter, particles of the mixture are deposited on a vertical wall surface at the back of the inner concave surface 12 by a centrifugal force.
  • the toric member 11 is rotatably supported by four sets of cam followers 118 and 119 provided on the same axis as the hollow shaft 102 and the rotation shaft 108.
  • the toric member 11 is provided with gears along the shape thereof.
  • the toric member 11 is rotated at a relatively low speed by the reduction-gear-equipped motor 115 and the gears 116 and 117, all depicted in FIG. 1 .
  • FIGS. 15 (A) and 15 (B) depict details of the scraper 120.
  • FIG. 15 (A) is a plane view of the scraper 120.
  • FIG. 15(B) is a cross-sectional view taken on arcuate centerline B-B in FIG. 15(A) .
  • "D" indicates a mixture deposited on the inner concave surface 12. The mixture rotates in the direction of an arrow together with the toric member 11, and is stripped off by a leading edge of the scraper 120.
  • Mixture D" is deposited on and adheres over a long range to the inner concave surface 12, and hence a mixture that has been stripped off is subject to a force from the back that is equal to or greater than the frictional resistance of a slip surface of the scraper. Accordingly, the flow of the mixture along the scraper 120 is generated and maintained, and, after the flow is made to be directed downward, the flow is separated from the scraper with the help of the gravity and falls while assuming a shape of a string, e.g., flowing-down dough D' in FIG. 1 .
  • the mixture D' is continuously collected in a container (not illustrated) or on a conveyer (not illustrated), both provided at a position to which the flowing-down dough D' falls.
  • a roller provided at a lower position may be used to provide a mixture D' having a constant thickness.
  • sleeves 125 are fixed to four corners of the under surface of an upper baseplate 124.
  • Struts 127 are fixed to four corners of the top surface of a middle baseplate 123 to which the housing 110 is attached.
  • Bushings 126 and 126' are press-fit in the sleeve 125.
  • the upper baseplate 124 can be moved up and down by, for example, a jack (not illustrated) while maintaining a core with respect to the middle baseplate 123.
  • components supported by the housing 103 e.g., the stationary disk 2 and the rotating disks 3 and 4 can be lifted, if necessary, to positions higher than the positions of these components depicted in FIG. 1 .
  • the rotating disk 3 and the stationary disk 2 can be readily attached or detached.
  • the upper baseplate 124 is returned to the position at the original height, and a nut 128 is tightened to firmly fix the upper baseplate 124, thereby preventing the upper baseplate 124 from being displaced during the operation.
  • a water solution may be prepared by adding, for example, wheat flour, yeast, salt, and sugar to a liquid raw material, as is usual.
  • a problem is that oil or fat, e.g., butter or shortening, needs to be added to many types of bread such as bread loaves, butter rolls, and French bread.
  • the weight of the oil or fat may reach as high as 15 relative to the weight of wheat flour, 100.
  • oil or fat is not initially put in a mixer but is put therein when hydration progresses to some extent so as to simultaneously complete hydration and mixing of the oil or fat.
  • a liquid raw material is inserted in a later process.
  • Necessary oil or fat and dough in which hydration has been finished by the mixing apparatus of the invention are put in a vertical mixer having, for example, a mixing impeller, and the mixing impeller rotates at a low speed to mix them while suppressing damage to gluten organizations.
  • the precision of the mixing required at that time does not need to be high in comparison with a required equality in hydration, and hence it is only necessary to lightly agitate the components without damaging the net-like organizations of gluten.
  • emulsified oil or fat is added to a liquid raw material in advance. Fine particles of oil or fat are equally dispersed so that the oil or fat can be prevented from disturbing hydration.
  • a liquid to which emulsified oil or fat is added is sent from a pipe provided together with the pipe 105. This enables the mixing ratio of oil or fat to be readily changed.
  • the second and third methods have the disadvantage that an emulsification apparatus is needed, but later processes that would be needed in the first method can be omitted from the second and third methods, thereby achieving a great advantage when any of these methods is applied to mass production.
  • dough containing oil or fat achieves qualities that would not be achieved in the prior art.
  • the reason is as follows.
  • oil or fat is added while hydration has not been completed in some inner portions of dough, and, according to the circumstances, only oil or fat is bonded to wheat flour in some inner portions of dough, resulting in portions without gluten.
  • hydration occurs evenly within dough produced using the method of the present invention, and this generates far more minute gluten organizations than those in the prior art equally at all portions of the dough.
  • the method for making bread in accordance with the invention has an advantage that the prior art does not have.
  • Such an advantage is that a mixing process can be completely separated from a kneading process for developing gluten net-like organizations.
  • net-like organizations are naturally generated initially in a fermentation stage, and hence kneading is not needed.
  • dough can be completed using the mixing apparatus in accordance with the invention alone. This is also true for cake dough, i.e., a dough in which gluten organizations are preferably not excessively developed.
  • noodles having a specific cross-sectional shape and size are roll-formed using a cutting roller.
  • a problem often seen is that dough adheres to the cutting roller. Such a problem tends to occur when water is not spread evenly within the dough. This is because viscosity is generated at a portion with excess water within the dough.
  • Water content is actually an important index that influences a boiling time.
  • the core even of noodles for which kneading has just been performed does not contain sufficient water for gelatinization (about 60% of the amount of starch), and hence it takes a long time for water to penetrate the core during boiling.
  • a low water content results in hard and fine noodles, and hence it also takes a long time to boil such noodles.
  • hydration is completed in a way that takes time and effort, e.g., a hand-pulling technique, and gluten organizations are sufficiently developed in a longitudinal direction so as to achieve a good feeling of noodles traveling down the throat.
  • producing dough evenly hydrated using the dough fabricating method based on the mixing apparatus of the invention may allow stable gluten organizations to be made as in the case of udon described above, and may considerably decrease the time required to produce dough. Accordingly, oil for prevention of drying does not need to be applied in a noodle making process, and long-term storage, i.e., a conventionally performed process for removing oil, becomes unnecessary.
  • pasta that contains durum semolina wheat as a main raw material, e.g., spaghetti and macaroni, has conventionally been made mostly using a noodle extrusion method based on a die.
  • the purpose is to promote hydration by removing air, which has a property of disturbing moisture penetration. This, however, will inevitably lead to fine noodles and will thus delay moisture penetration during boiling, resulting in a long boiling time for the thickness of the noodles. Since air is not contained in the noodles, the taste buds are not intermittently stimulated, thereby spoiling the taste, i.e., an important factor.
  • the mixing apparatus in accordance with the invention equally spreads out a supplied powder raw material, equally atomizes a liquid raw material, and conducts the equally spread powder raw material and the equally atomized liquid raw material into an identical narrow space where these materials are merged and mixed. Then, a condensed high-density mixture is formed and released by a centrifugal force. The released mixture is deposited on the vertical wall surface of the inner concave surface 12 of the toric member 11. The mixture deposited on the vertical wall surface of the inner concave surface 12 is collected using the scraper 120 so that a homogeneous mixture of the powder raw material and liquid raw material can be continuously obtained.
  • the powder raw material P passes through a small gap between the fast-rotating disk 1 and the stationary disk 2, i.e., a stationary disk provided for the rotating disks 1 and 5, and a small gap between the fast-rotating disk 5 and the stationary disk 2, and is spread out equally in all directions as a result of the two leveling effects.
  • the liquid raw material L droplet swarms can be spread out equally in all directions using a rotatory atomizing scheme arranged to cause the liquid raw material L to flow equally in all directions.
  • the rotating disk 5 is supported by the elastic member 13, i.e., a member having elasticity in a vertical direction relative to the rotating disk 1, in such a manner as to stably form a mixing region and a condensation region within the wedge-shaped space 9.
  • Particulate droplet swarms are made to crash at a high speed into dispersed particulate swarms of the powder raw material P floating within the mixing region M and the powder raw material P lying thick on the surface of the condensation region C. This strongly agitates the dispersed particulate swarms within the mixing region and maintains the mixing and bonding on the inner surface of the condensation region in an optimal state.
  • Mixture particles released from the open end 10 via the smallest gap portion 14 are deposited on the inner concave surface 12 of the toric member 11 and are collected using the scraper 120. This allows the mixture D to be continuously obtained efficiently.
  • providing the curved inside surface 16 and the space 17 for the stationary disk 2 may reduce a minute variation in supply of the powder raw material.
  • Supplying a powder raw material containing wheat flour and a liquid raw material containing water to the mixing apparatus in accordance with the invention allows a high-quality food containing wheat flour as a main material to be fabricated with a reduced and simplified facility.
  • the mixing apparatus in accordance with the invention so as to make a food containing wheat flour as a main material and having an oil or fat raw material added thereto, the oil or fat raw material is emulsified and put in water in advance. This allows a high-quality food to be fabricated at low cost.
  • Using the mixing apparatus in a bread making process allows a hydration process and a kneading process to be completely separated, thereby enabling production of bread having a texture that could not be achieved in the prior art.
  • the mixing apparatus is of high utility value in mixing medicines or industrial raw materials for which the use of agitation mixing or long-term processes is unsuitable.
  • supplying a powder raw material and a liquid raw material to the mixing apparatus of the invention at a constant rate enables the powder raw material and the liquid raw material to be evenly mixed, and allows a mixture of the powder raw material and the liquid raw material to be continuously extracted at a constant rate. Only a small amount of material remains in the mixing apparatus when a mixing operation ends, thereby suppressing waste of material. Moreover, it is easy to clean the apparatus. Even though the apparatus is small-sized, consecutive processing may advantageously lead to high efficiency and thus achieve a low equipment cost.
  • the invention is not limited to the embodiments described above, and may use various configurations or embodiments without departing from the gist of thereof.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Noodles (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Accessories For Mixers (AREA)
EP13887331.0A 2013-06-21 2013-06-21 Mischvorrichtung für ein pulverförmiges rohmaterial und ein flüssiges rohmaterial sowie verfahren zur herstellung einer mischung mit einer derartigen mischvorrichtung Withdrawn EP3012015A4 (de)

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PCT/JP2013/067058 WO2014203390A1 (ja) 2013-06-21 2013-06-21 粉体原料と液体原料の混合装置、及びその混合装置を用いた混合物の製造方法

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CN112936925A (zh) * 2019-12-10 2021-06-11 东莞先健新材料科技有限公司 聚四氟乙烯膨体膜及其制备方法
CN112042687B (zh) * 2020-09-24 2021-12-24 董云奎 一种面汤制作用的面粉预处理设备
CN112078978A (zh) * 2020-09-30 2020-12-15 萧县禾盛种业有限公司 一种方便翻料的种子存储设备及其使用方法
CN113398824B (zh) * 2021-06-08 2022-07-22 诸城兴贸玉米开发有限公司 一种蜡质玉米淀粉生产用以水为分散剂的硬脂酸喷入设备
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US9623386B2 (en) 2017-04-18
JP5830616B2 (ja) 2015-12-09
EP3012015A4 (de) 2017-03-01
JPWO2014203390A1 (ja) 2017-02-23
US20150290601A1 (en) 2015-10-15
CN104768636A (zh) 2015-07-08
WO2014203390A1 (ja) 2014-12-24

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